scholarly journals Risk of infective endocarditis among patients with tetralogy of fallot

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
E Havers-Borgersen ◽  
J.H Butt ◽  
M Groening ◽  
M Smerup ◽  
G.H Gislason ◽  
...  

Abstract Introduction Patients with tetralogy of Fallot (ToF) are considered at high risk of infective endocarditis (IE) as a result of altered hemodynamics and multiple surgical and interventional procedures including pulmonary valve replacement (PVR). The overall survival of patients with ToF has increased in recent years. However, data on the risk of adverse outcomes including IE are sparse. Purpose To investigate the risk of IE in patients with ToF compared with controls from the background population. Methods In this nationwide observational cohort study, all patients with ToF born in 1977–2017 were identified using Danish nationwide registries and followed from date of birth until occurrence of an outcome of interest (i.e. first-time IE), death, or end of study (July 31, 2017). The comparative risk of IE among ToF patients versus age- and sex-matched controls from the background population was assessed. Results A total of 1,156 patients with ToF were identified and matched with 4,624 controls from the background population. Among patients with ToF, 266 (23.0%) underwent PVR during follow-up. During a median follow-up time of 20.4 years, 38 (3.3%) patients and 1 (0.03%) control were admitted with IE. The median time from date of birth to IE was 10.8 years (25th-75th percentile 2.8–20.9 years). The incidence rates of IE per 1,000 person-years were 2.2 (95% confidence interval (CI) 1.6–3.0) and 0.01 (95% CI 0.0001–0.1) among patients and controls, respectively. In multivariable Cox regression models, in which age, sex, pulmonary valve replacement, and relevant comorbidities (i.e. chronic renal failure, diabetes mellitus, presence of cardiac implantable electronic devices, other valve surgeries), were included as time-varying coefficients, the risk of IE was significantly higher among patients compared with controls (HR 171.5, 95% CI 23.2–1266.7). Moreover, PVR was associated with an increased risk of IE (HR 3.4, 95% CI 1.4–8.2). Conclusions Patients with ToF have a substantial risk of IE and the risk is significantly higher compared with the background population. In particular, PVR was associated with an increased risk of IE. With an increasing life-expectancy of these patients, intensified awareness, preventive measures, and surveillance of this patient group are advisable. Figure 1. Cumulative incidence of IE Funding Acknowledgement Type of funding source: None

Author(s):  
Yuji Tominaga ◽  
Masaki Taira ◽  
Takashi Kido ◽  
Tomomitsu Kanaya ◽  
Kanta Araki ◽  
...  

Abstract OBJECTIVES The clinical significance of persistent end-diastolic forward flow (EDFF) after pulmonary valve replacement (PVR) remains unclear in patients with repaired tetralogy of Fallot. This study aimed to identify the characteristics of these patients and the impact of persistent EDFF on outcomes. METHODS Of 46 consecutive patients who underwent PVR for moderate to severe pulmonary regurgitation between 2003 and 2019, 23 (50%) did not show EDFF before PVR [group (−)]. In the remaining 23 patients with EDFF before PVR, EDFF was diminished after PVR in 13 (28%) [group (+, −)] and persisted in 10 (22%) [group (+, +)]. The following variables were compared between these 3 groups: (i) preoperative right ventricular (RV) and right atrial volumes measured by magnetic resonance imaging, haemodynamic parameters measured by cardiac catheterization and the degree of RV myocardial fibrosis measured by RV biopsy obtained at PVR and (ii) the post-PVR course, development of atrial arrhythmia and need for intervention. RESULTS A high RV end-diastolic pressure, a greater right atrial volume index and a greater RV end-systolic volume index before PVR and a high degree of RV fibrosis were significantly associated with persistent EDFF 1 year after PVR. Persistent EDFF was a significant risk factor for postoperative atrial tachyarrhythmia, and catheter ablation and pacemaker implantation were required more frequently in these patients. CONCLUSIONS Persistent EDFF after PVR could predict a worse prognosis, especially an increased risk of arrhythmia. Close follow-up is required in patients with persistent EDFF for early detection of arrhythmia and prompt reintervention if necessary. Clinical trial registration number Institutional review board of Osaka University Hospital, number 16105


Author(s):  
Simone Ghiselli ◽  
Cristina Carro ◽  
Nicola Uricchio ◽  
Giuseppe Annoni ◽  
Stefano M Marianeschi

Abstract OBJECTIVES Chronic pulmonary valve (PV) regurgitation is a common late sequela after repair of congenital heart diseases like tetralogy of Fallot or pulmonary stenosis, leading to right ventricular dilatation and failure and increased late morbidity and mortality. Timely reoperation may lead to a complete right ventricular recovery. An injectable PV allows pulmonary valve replacement, with or without cardiopulmonary bypass, under direct observation, thereby minimizing the impact of surgery on cardiac function. The aim of this study was to evaluate the feasibility and mid- to long-term clinical outcomes with this device. METHODS From April 2007 to October 2019, a total of 85 symptomatic patients with severe pulmonary regurgitation or pulmonary stenosis underwent pulmonary valve replacement with an injectable stented pulmonary prosthesis. Data were collected from the international proctoring registry. Mean patient age was 26.7 years. The underlying diagnosis was repaired tetralogy of Fallot in 69.4% patients; moderate or severe pulmonary regurgitation was present in 72.9%. All patients had echocardiographic scans before the operation and during the follow-up period. A total of 54.1% patients also had preoperative/postoperative cardiac magnetic resonance imaging (MRI) or catheterization; 25.9% had off-pump implants. In 53% patients, pulmonary valve replacement was associated with the repair of other cardiac defects. RESULTS Minor postoperative complications were observed in 10.8% patients. The overall mortality rate was 2.3%; mortality after valve replacement was linked to a severe cardiac insufficiency and it was not related to a prosthesis failure; 1 prosthesis was explanted from 1 patient because of endocarditis, and 6% of patients developed PV stenosis; minor complications occurred in 4.8%. The mean follow-up period was 4.8 years (2 months–12.7 years); 42% of the patients were followed for more than 5 years. Follow-up echocardiography and cardiac MRI showed a significant reduction in RV size and low gradients across the PV. CONCLUSIONS An injectable PV may be implanted without cardiopulmonary bypass and in a hybrid operating theatre with minimal surgical impact. The bioprosthesis, available up to large sizes, has a low profile, laminar flow and no risk of coronary artery compression. Incidence of endocarditis is rare. The lack of a suture ring permits the implant of a relatively larger prosthesis, thereby avoiding a right ventricular outflow tract obstruction. This device permits future percutaneous valve-in-valve procedures, if needed. Results concerning durability are encouraging, and mid- to long-term haemodynamic performance is excellent.


2010 ◽  
Vol 56 (18) ◽  
pp. 1486-1492 ◽  
Author(s):  
Roderick W.C. Scherptong ◽  
Mark G. Hazekamp ◽  
Barbara J.M. Mulder ◽  
Olivier Wijers ◽  
Cees A. Swenne ◽  
...  

Author(s):  
Eva Havers‐Borgersen ◽  
Jawad H. Butt ◽  
Morten Smerup ◽  
Gunnar H. Gislason ◽  
Christian Torp‐Pedersen ◽  
...  

Background Patients with tetralogy of Fallot (ToF) are considered at high risk of infective endocarditis (IE) as a result of altered hemodynamics and multiple invasive procedures, including pulmonary valve replacement (PVR). Data on the long‐term risk of IE are sparse. Methods and Results In this observational cohort study, all patients with ToF born from 1977 to 2018 were identified using Danish nationwide registries and followed from date of birth until occurrence of first‐time IE, emigration, death, or end of study (December 31, 2018). The comparative risk of IE among patients with ToF versus age‐ and sex‐matched controls from the background population was assessed. Because of rules on anonymity, exact numbers cannot be reported if the number of patients is <4. A total of 1164 patients with ToF were identified and matched with 4656 controls. Among patients with ToF, 851 (73.1%) underwent early surgical intracardiac repair and 276 (23.7%) underwent PVR during follow‐up. During a median follow‐up of 20.3 years, 41 (3.5%) patients with ToF (comprising 24 [8.7%] with PVR and 17 [1.9%] without PVR) and <4 (<0.8%) controls were admitted with IE. The incidence rates of IE per 10 000 person‐years were 22.4 (95% CI, 16.5–30.4) and 0.1 (95% CI, 0.01–0.7) among patients and controls, respectively. Moreover, PVR was associated with a further increased incidence of IE among patients with ToF (incidence rates per 10 000 person‐years with and without PVR were 46.7 [95% CI, 25.1–86.6] and 2.8 [95% CI 2.0–4.0], respectively). Conclusions Patients with ToF are associated with a substantially higher incidence of IE than the background population. In particular, PVR was associated with an increased incidence of IE. With an increasing life expectancy of these patients, intensified awareness, preventive measures, and surveillance of this patient group are decisive.


2019 ◽  
Vol 10 (5) ◽  
pp. 543-551 ◽  
Author(s):  
Pasangi Madhuka Wijayarathne ◽  
Peter Skillington ◽  
Samuel Menahem ◽  
Amalan Thuraisingam ◽  
Marco Larobina ◽  
...  

Background: Following corrective surgery in infancy/childhood for tetralogy of Fallot (TOF) or its variants, patients may eventually require pulmonary valve replacement (PVR). Debate remains over which valve is best. We compared outcomes of the Medtronic Freestyle valve with that of the pulmonary allograft valve following PVR. Methods: A retrospective study was undertaken from a single surgical practice of adult patients undergoing elective PVR between April 1993 and March 2017. The choice of valve was at the surgeon’s discretion. There was a trend toward the almost exclusive use of the more readily available Medtronic Freestyle valve since 2008. Results: One hundred fifty consecutive patients undergoing 152 elective PVRs were reviewed. Their mean age was 33.8 years. Ninety-four patients had a Medtronic Freestyle valve, while 58 had a pulmonary allograft valve. There were no operative or 30-day mortality. The freedom from reintervention at 5 and 10 years was 98% and 98% for the pulmonary allograft and 99% and 89% for the Medtronic Freestyle. There was no significant difference in the rate of reintervention, though this was colored by higher pulmonary gradients across the Medtronic Freestyle despite its shorter follow-up. Conclusions: Pulmonary valve replacement following previous surgical repair of TOF or its variants was found to be safe with no significant differences in mortality or reintervention between either valve. Although the Medtronic Freestyle valve had a greater tendency toward pulmonary stenosis, additional follow-up is needed to further document its long-term outcomes.


2014 ◽  
Vol 114 (6) ◽  
pp. 901-908 ◽  
Author(s):  
Anna Sabate Rotes ◽  
Benjamin W. Eidem ◽  
Heidi M. Connolly ◽  
Crystal R. Bonnichsen ◽  
Jordan K. Rosedahl ◽  
...  

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
D M Dorobantu ◽  
D Taliotis ◽  
M Turner ◽  
A Parry ◽  
R Tulloh ◽  
...  

Abstract Background Tetralogy of Fallot with pulmonary artesia (PA-VSD) complete repair includes the placement of a right ventricle to pulmonary artery conduit. As more and more patients survive past childhood, the need for conduit replacement has increased. Transcatheter pulmonary valve implantation (TPVI) has emerged as an alternative to the surgical pulmonary valve replacement (SPVR) in conduit failure, but comparative data are lacking. Purpose We aim to use data from a national procedural audit database to compare TPVI and SPVR in operated PA-VSD with conduit failure. Method All patients with surgically corrected PA-VSD undergoing TPVI or SPVR between 2006–2012 were included (SPVR n=103, TPVI n=31). A propensity score matching algorithm based on age, gender, known genetic mutations, MAPCAs presence of endocarditis, preoperative mechanical support, operation year and follow-up time was used and resulted in balanced groups. Results Median age at TPVI and SPVR were 23 years (11–51) and 12 years (0.3–55) respectively. Median follow-up was 3.7 years (1 day-12.5 years) in SPVR and 2 years (0.3–10.6) in TPVI. There were slightly more females in the TPVI group (64% vs 49% in SPVR p=0.1). There were no significant differences in procedure era (77% after 2005), MAPCAs (31%) or known genetic conditions (17%). All cases of preoperative endocarditis (n=6) and mechanical support (n=4) were in the SPVR group. Survival, freedom from pulmonary valve replacement (PVR) and PVR free survival before and after matching at 5 years are shown in Table. After matching survival tended to be lower in TPVI (p=0.4), but without reaching statistical significance, while freedom from PVR (p=0.004, Figure) and PVR free survival (0.02) were significantly lower after TPVI, compared to SPVR. Relative mortality by age increments Before matching After matching TPVI SPVR TPVI SPVR p value Survival at 5 years (%) 87 92 87 94 0.4 Freedom from PVR at 5 years (%) 83 96 83 100 0.004 PVR free survival at 5 years (%) 72 88 72 94 0.02 Conclusions In our study TPVI showed comparable midterm survivable with SPVR, but significantly lower freedom from PVR, resulting in a lower PVR free survival. Further studies with longer follow-up and a prospective design are needed to investigate the factors influencing these outcomes.


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